.wl-transfer {
  position: relative;
  overflow: hidden;

  .el-tree .el-tree-node__expand-icon {
    padding-right: 3px;
  }

  .el-tree .el-tree__empty-block {
    min-height: 60px;
  }

  .el-tree-node__label {
    overflow: hidden;
  }

  .transfer-left {
    position: absolute;
    top: 0;
    left: 0;
  }

  .transfer-right {
    position: absolute;
    top: 0;
    right: 0;
  }

  .transfer-right-item {
    height: calc((100% - 41px) / 2);
  }

  .transfer-right-small {
    height: 41px;
  }

  .transfer-right-only {
    height: 100%;
  }

  .transfer-main {
    padding: 10px;
    height: calc(100% - 41px);
    box-sizing: border-box;
    overflow: auto;
  }

  .transfer-left,
  .transfer-right {
    border: 1px solid #ebeef5;
    width: 43%;
    height: 100%;
    box-sizing: border-box;
    border-radius: 5px;
    vertical-align: middle;
  }

  .transfer-center {
    position: absolute;
    top: 50%;
    left: 43%;
    width: 14%;
    transform: translateY(-50%);
    text-align: center;
  }

  .transfer-center-item {
    padding: 10px;
    overflow: hidden;
  }

  .transfer-title {
    border-bottom: 1px solid #ebeef5;
    padding: 0 15px;
    height: 40px;
    line-height: 40px;
    color: #333;
    display: flex;
    align-items: center;
    background-color: #f5f7fa;
  }

  .transfer-title .el-checkbox {
    margin-right: 10px;
  }

  .filter-tree {
    margin-bottom: 10px;
  }
}
